AS
Arthur Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Iowa
Our Model Tree links this Arthur Smith across the 1920, 1930 and 1940 US Censuses in Boone-County, Iowa (XGBoost, ~Confirmed), with identified parents Arthur & Arthur — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Iowa |
| Surname | Smith |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Hours Worked | 6 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Boone City |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Smith | Head | — | 50 | ~1890 |
| Leona Mindemann | Other | — | 16 | ~1924 |
| Arthur Smith | Son | — | 22 | ~1918 |
| Thomas Smith | Son | — | 21 | ~1919 |
| Alice Smith | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Boone, Iowa
Son, age 2
Boone, Iowa · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Son, age 12
Boone, Iowa · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Arthur H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Boone-County, Iowa
Son, age 22
Boone-County, Iowa · implied b. ~1918 — 5 household members
| Surname | Smith |
| Given Name | Arthur Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Boone City |
| 1935 Residence (County) | Boone |
| Hours Worked | 6 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Arthur Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Smith (~0.92 confidence) and father Arthur Smith (~0.92 confidence) and father Arthur Smith (~0.92 confidence) and mother Alice Smith (~0.92 confidence) and mother Alice Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Arthur Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Arthur Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Alice Smith
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Alice Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Smith
Son · 1940 · age 22 · b. ~1918 · Iowa
★ You are viewing this record
Sibling
Thomas Smith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Boone-County, Iowa
Open full size
1940 US Federal Census — Boone-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01141-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Halverson | 52 | Head | Housekeeper | Iowa |
| 2 | Winifred Pearsons | 66 | Head | — | Iowa |
| 3 | Ruth Benson | 32 | Daughter | — | Iowa |
| 4 | John Benson | 35 | Son-in-law | Operator | Iowa |
| 5 | Helen Striker | 52 | Sister | Clerk | Minnesota |
| 6 | — | None | — | — | — |
| 7 | Lester Mouser | 27 | Lodger | Musician | Illinois |
| 8 | Jack Colebaugh | 25 | Lodger | Musician | Illinois |
| 9 | Nelson R. Dickey | 37 | Head | Combination Man | Iowa |
| 10 | Jeane Dickey | 31 | Wife | — | Iowa |
| 11 | Delbert Dickey | 12 | Son | — | Iowa |
| 12 | Dixie Dickey | 10 | Daughter | — | Iowa |
| 13 | Darrell Dickey | 4 | Son | — | Iowa |
| 14 | Frank T. Levy | 71 | Head | — | Iowa |
| 15 | Mary Alice Levy | 63 | Sister | — | Iowa |
| 16 | Sarah Levy | 72 | Sister | — | Illinois |
| 17 | Arthur A. Smith | 50 | Head | Owner | Iowa |
| 18 | Alice Smith | 52 | Wife | Music Teacher | Iowa |
| 19 | Thomas Smith | 21 | Son | — | Iowa |
| 20 | Arthur Jr. Smith THIS PERSON | 22 | Son | — | Iowa |
| 21 | Leona Mindemann | 16 | Maid | Maid | Iowa |
| 22 | William J. Conway | 70 | Head | Fireman | Iowa |
| 23 | Louise S. Conway | 63 | Wife | — | Pennsylvania |
| 24 | Howard Hall | 66 | Head | Baggage Handler | Iowa |
| 25 | Lena Hall | 57 | Wife | — | Iowa |
| 26 | — | None | — | — | — |
| 27 | Cassell E. Case | 41 | Head | Clerk | Louisiana |
| 28 | Elene J. Case | 36 | Wife | Clerk | Iowa |
| 29 | Cassell B. Case | 13 | Son | — | Iowa |
| 30 | Robert L. Case | 11 | Son | — | Iowa |
| 31 | John J. Holmes | 57 | Head | Carpenter | England |
| 32 | Jane Holmes | 54 | Wife | — | England |
| 33 | W. Robert Patrick | 42 | Head | Custodian | Iowa |
| 34 | Esther Patrick | 43 | Wife | — | Iowa |
| 35 | Marjorie Ann Patrick | 15 | Daughter | — | Iowa |
| 36 | Beverly Patrick | 13 | Daughter | — | Iowa |
| 37 | Elmer Terrill | 50 | Head | Trainmaster | Illinois |
| 38 | Lenore Terrill | 48 | Wife | — | Iowa |
| 39 | Ernest Smith | 52 | Head | — | Iowa |
| 40 | Ola Smith | 47 | Wife | — | Iowa |
Pedigree Summary
Arthur + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)